Optical printer head and image forming apparatus

An optical printer head that can, at a low cost, prevent the dimming of light at a lens, and an image forming apparatus that uses such an optical printer head are provided. A lens controls light, emitted by LEDs, that is used to irradiate a photosensitive drum. And since the lens is coated with a la...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI, TOSHIKAZU, UTSUGI, KAZUYA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	An optical printer head that can, at a low cost, prevent the dimming of light at a lens, and an image forming apparatus that uses such an optical printer head are provided. A lens controls light, emitted by LEDs, that is used to irradiate a photosensitive drum. And since the lens is coated with a layer of resin, the resin prevents the occurrence of a chemical reaction between nitric acid, generated as a consequence of the production of ozone, and an alkali component on the surface of the lens, and prevents the dimming of light at the lens.